B超看胎儿大小就能看出几b超算孕周准吗吗

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/etc/nginx/nginx.conf.B超看胎儿大小就能看出几周准吗?_百姓问医生
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B超看胎儿大小就能看出几周准吗?
来自:江苏省 南京市 浏览 319 次
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病情分析: 你好,在医学上推算怀孕的时间都是根据末次月经来潮第一天开始算起,因为月经周期时间长短不同,所以受孕时间也是有早晚,只在胎儿在怀孕的正常范围内,都是属于正常月经,比如偏小一周或者偏大一周也都是属于正常情况!进行彩超检查时还是比较准确的,特别是对于那些记不自己末次月经来潮时间的女性,是一个很好的辅助检查,进行推算怀孕的时间!希望你把自己的末次月经说明一下,我可以根据你的月经时间进行推算你的怀孕时间。如有疑问你可以继续和我交流!
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病情分析:
你好,根据你的描述,B超单显示的是胎儿大小的孕周,不是实际孕周,你这种情况说明你家宝宝偏大了。建议:对于这种情况,孕周是从末次经开始算。B超所提示孕周是根据胎儿双顶径推算出来,所以只是与你真实孕周概符合。但在孕早期B超是可以根据胎囊小准确算出受精卵形成期。
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病情分析:
你好,怀孕时间是按照末次月经第一天开始计算的,不是以同房时间计算的,B超也是有误差的,发育正常就没事的。
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